Trane Air Conditioner error codes
2 Trane air conditioner codes and problems, each with ranked causes, safe homeowner checks and honest repair costs. Count the flashes or read the code on your control board, then find it below. Legends vary by board revision, so confirm against the label inside your unit's door.
| Code | What it means | Severity |
|---|---|---|
| Not cooling | Trane AC not cooling? Learn the likely causes (dirty filter, failed capacitor, low refrigerant, frozen coil), safe fixes, and honest repair costs. | Call a pro |
| Outdoor fan not spinning | Trane AC outdoor fan not spinning? Learn the likely causes (capacitor, motor, contactor), safe homeowner checks, and typical repair costs of $150–$900. | Call a pro |
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